Revolving car-dump.



No. 807,953. PATENTED DEC. 19, 1905. A. MOORE.

REVOLVING GAR DUMP.

APPLICATION FILED NOVv 23. 1904.

2 SHEETSSHEET 1.

[NI/EN 70/? W1 TNESSES:

No. 807,953. PATENTED DEC. 19, 1905. A. MOORE.

REVOLVING CAB. DUMP.

APPLIOATION FILED NOV- 23. 1904.

2 SHEETSSHEET Z g ZM WWM UNITED STATES PATENT OFFICE.

REVOLVING CAR-DUMP.

Specification of Letters Patent.

Patented Dec. 19, 1905;

Application filed November 23,1904. Serial No. 234,058.

10 M6 w/wm it may concern:

7 Be it known that I, ARTHUR MooRE, a citizen of the United States, residing at War Eagle, in the county of Mingo and State of West Virginia, have invented certain new and useful Improvements in Revolving Car- Dumps, of which the following is a specification.

My invention relates to revolving cardumps, and especially to that class of dumps wherein one or more cars is rotated entirely over and the contents permitted to drop therefrom.

The object of my invention is to provide certain improvements in my revolving cardump, which forms the subject-matter of an application filed in the United States Patent Office on the 14th day of May, 1904, and bearing Serial No. 207,960.

It having been found that while my revolving car-dump may be successfully rotated by the unbalanced weight of a loaded car thereon, it is difflcult to stop the dump at the exact point necessary for removing one car from the dump and in placing another car thereon. It is therefore a further object of my inven tion to provide a device whereby the dump may be rotated at will in either direction by a power to be applied thereto. It is further found that inoperation the pressure-exerting fluid within the cylinders exerting a clamping pressure upon the sides of the car flows from one side to the other when the dump is rotated and under the pressure of the car, thereby permitting the displacement of the car.

It is a'further object of this invention to provide valves to retain the pressure-exerting fluid within each of the several cylinders and prevent the flow from one cylinder to another.

It is a further object of this invention to provide means for exerting a greater and more reliable clamping pressure upon the sides of the car.

Viththese and other objects in view the present invention consists in the combination and arrangement of parts, as will be hereinafter more fully described, shown in the accompanyin g drawings, and particularly pointed out in the appended claims, it being understood that changes in the form, proportion, size, and minor details may be made within the scope of the claims without departing from the spirit or sacrificing any of the advantages of the invention.

In the drawings, Figure l is aview in side elevation of my improved car-dump, showing the friction-clutch device in operative position. Fig. 2 is a detail view of the friction clutch in end elevation. Fig. 3 is a view in end elevation of my improved oar dump, showing the toggle-joints for operating the clamping members and the levers for controlling the valves which retain the pressure-exerting fluid within the cylinder. Fig. 4 is a detail view, in end elevation, of the togglejoint and the cylinder and piston for operating the same.

Like characters of reference designate corresponding parts throughout the several views.

In its preferred embodiment my improved car-dump consists, as shown and claimed in my application above referred to, of a platform 1, inclosed within a plurality of circular members 2 and 3 and journaled to rotate upon a shaft 4, extending longitudinally throughout the dum p or consisting of gudgeons rigidly secured to the ends of platform 1 and forming an axis for the circular members 2 and 3. Upon the platform 1 are mounted railway-tracks 5, upon which may be placed a car 6, as shown in outline. The shaft or gudgeons 4 are mounted to rotate, as in journals 7, and the dump is strengthened by framework and braces placed therein. Within the dump are mounted beams 8, having secured thereto pis ton-rods connecting with pistons mounted to reciprocate within cylinders 9 to exerta clamping pressure upon the top of the car, the beam 8 being capable of assuming the position 8 for such purpose. Longitudinally of the dump and adjacent to the sides of the car are disposed beams 10 capable of lateral movement, A toggle-joint 11 is pivotally secured to any convenient rigid portion of the dump structure, as at 12, with its other end pivotally secured to the beam 10, as at 13. A piston-rod 14 is pivotally secured to the hinge of the toggle-joint and to a piston mounted to reciprocate within cylinders 15.

A system of pipes 16 is provided, adapted to admit a fluid under pressure to the several cylinders to exert a clamping pressure upon the top and both sides of a car simultaneously. A second system of pipes 17 is provided, disposed to admit the pressure-exerting fluid to the opposite ends of the several cylinders for the purpose of releasing the pressure and returning the beams 8 and 10 to their normal position. Within the system of pipes 16 is located valves 18, operated by levers 19 to prevent the escape of pressure-exertingfluid from the cylinder and more especially to prevent the flow of the fluid from a cylinder upon one side of the car to a corresponding cylinder secured a band-wheel 22, adapted to receive and operate in conjunction with a band-brake of the ordinary construction to be placed thereon. Also rigidly secured to the shaft 21 is a friction-band 23, adapted to rotate in unison with the pinion 20 and band-wheel 22. The friction-band 23 is so constructed as to permit a friction-wheel 24 to be disposed within but eccentric to the said friction-band. A second friction-Wheel 25 is disposed without the friction-band 23, and both of said frictionwheels 24 and 25 adapted to be positively driven, as by a chain 26 passing over and engaging sprockets 27, rigidly secured to the shafts upon which the friction-Wheels 24 and 25 are mounted and rotated. The frictionwheels 24 and 25, together with the sprocketwheels 27 are mounted upon a plate 28, so

that normally neither friction-wheel 24 or 25 contacts with the friction-band 23, but capable of being simultaneously moved along plate 28, so that either of said friction-wheels may be brought in contact with said friction-band, but not both. The movement of the said friction-wheels 24 and 25 along plate 28 may be controlled in any desired manner, as by a lever 29, pivoted at 30 to the plate 28 and engaging the slidable bearings 31, in which the shafts rotate upon which the friction-wheels are mounted.

The operation of my invention is as follows: With the several features of my present invention mounted upon my revolving dump, shown and described in my application Serial No: 207,960 as described, a car 6 will be placed upon the track 5 and a fluid under pressure admitted to cylinders 9 and 15. The pressure of the fluid upon the pistons within said cylinders will cause the beam 8 to assume a position 8 and forcibly clamp the top of the car. Likewise the movement of the piston within the cylinder 15 will operate the toggle-joint 11, throwing the beam 10 to position 10 and forcibly clamping both sides of the car simultaneously. The valves 18 are now closed by a manipulation of the levers 19, thereby retaining the fluid within the cylinders 15 and preventing the flow of fluid from one side of the car to the other, thus permitting the lateral displacement of the car. The dump is held in position by the band-brake shown and described in my prior application or by bandbrakes applied to band-wheels 22. The brakes holding the dump are now released and the dump rotated by the unbalanced weight of the loaded car or by pinion 20, positively operated through the medium of friction-band 23 and friction-wheels 24 and 25. When the contents of the car has been dumped, the dump may be accurately placed for the receipt of the next car by rotating it in either direction necessary by the manipulation of lever 29, thereby throwing either friction-wheel 24 or 25 into contact with friction-band 23, and rotating said band and pinion 20 in either direction as desired.

WVhile I have shown the presentinvention in connection with my revolving car-dump forming the subject-matter of my previous application Serial No. 207,960, I do not claim such dump broadly, but only those features herein shown and described which differ from my former invention.

While I have shown and described the valves 18 as being operated by levers 19, it is obvious that they may be operated in any other desired manner. v

While I have shown and described a friction-clutch which is Well adapted for use in connection with my revolving car-dump, it is obvious that any other friction-clutch adapted to reverse motion may be substituted and that numerous other changes in the form and minor details may be made without departing from the spirit of the invention or the scope of the claims.

Having thus described the invention, what I claim as novel, and desire to secure by Letters Patent, is

1. In a dump adapted to turn a car entirely over, a beam adapted to clamp a car, a togglejoint mounted to operate the clamp-beam and a cylinder and piston for manipulating the toggle-joint to exert a clamping pressure on the car.

2. In a dump adapted to turn a car entirely over, abeam adapted to clamp a car, a togglejoint mounted to operate the clamp-beam, a cylinder, a piston mounted to reciprocate within the cylinder, means connecting the piston and the toggle-joint and means for admitting fluid under pressure to the cylinder to manipulate the piston and exert a clamping pressure on the car.

3. In a dump adapted to turn a car entirely over, a circular member entirely surrounding the dump and provided with a circular series of gear-cogs, a pinion mounted to rotate without the circular member provided with gearcogs adapted to engage the cogs of the circular member, a band-wheel rigidly secured to and rotating with the pinion and adapted to receive a band-brake of the usual construction, a friction-band rigidly secured to and rotating with the pinion, a pair of friction- Wheels mounted one Within and one without and either adapted to contact with the friction-band, means for positively rotating the friction-Wheels and means for shifting said friction-wheels to bring either in frictional contact with the friction-band.

4. In a dump adapted to turn a car entirely over, a plurality of cylinders provided with pistons adapted to exert a clamping pressure on a car, a system of pipes adapted to admit a fluid under pressure to the cylinders to operate the pistons, valves to control the flow of fluid to the various cylinders and valves adapted to retain the pressure-exerting fluid within one cylinder independently of others.

5. In a dump adapted to turn a car entirely over, a circular member entirely surrounding the dump and provided with a circular series of gear-cogs, a pinion mounted to rotate Wii3l1' out and adjacent to the circular member and provided with cogs adapted to engage the cogs of said circular member, a frictional clutch mechanism adapted to rotate the pinion and dump in either direction, a movable beam adapted to clamp a car, a toggle-joint adapted to operate the clamp-beam and a cylinder and piston adapted and arranged for manipulating the toggle-joint to clamp the car while being turned over by the pinion.

6. In a dump adapted to turn a car entirely over, acircular member entirely surrounding the dump and provided with a circular series of gear-cogs, a pinion mounted to rotate without and adjacent to the circular member and provided with cogs adapted to engage the cogs of the said circular member, a frictional clutch mechanism adapted to rotate the pinion and dump in either direction, a movable beam adapted to clamp a car, a toggle-joint adapted to operate the clamp-beam, a cylinder, a piston mounted to reciprocate within the cylinder, means connecting the piston and the toggle-joint, and means for controlling the admission of a fluid under pressure to said cylinders to clamp the car while being turned over by the pinion.

7. In a dump adapted to turn a car entirely over, a circular member entirely surrounding the dump and provided with a circular series of gear-cogs, a pinion rotatorily mounted Without and adjacent to and provided with cogs adapted to engage with the cogged circular member, a frictional clutch mechanism adapted to rotate the pinion and dump in either direction, a movable beam adapted to clamp a car upon each side, toggle-joints adapted to operate the clamp beams, aplurality of cylinders, pistons mounted to reciprocate Within said cylinders, a system of pipes and valves adapted to admit a fluid under pressure to the cylinders simultaneously and valves adapted to prevent the flow of the pressure-exerting fluid from one side to the other of the car while being turned over by the pinion.

In testimony whereof I afiix my signature in presence of two witnesses.

ARTHUR MOORE.

WVitnesses:

N. T. JAMES, ALBERT JAMES. 

